1693340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 3991680

約数和(自身を除く): 2298340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 179, 215, 220, 358, 430, 473, 716, 860, 895, 946, 1790, 1892, 1969, 2365, 3580, 3938, 4730, 7697, 7876, 9460, 9845, 15394, 19690, 30788, 38485, 39380, 76970, 84667, 153940, 169334, 338668, 423335, 846670, 1693340]

約数ペア:

[(1, 1693340), (2, 846670), (4, 423335), (5, 338668), (10, 169334), (11, 153940), (20, 84667), (22, 76970), (43, 39380), (44, 38485), (55, 30788), (86, 19690), (110, 15394), (172, 9845), (179, 9460), (215, 7876), (220, 7697), (358, 4730), (430, 3938), (473, 3580), (716, 2365), (860, 1969), (895, 1892), (946, 1790)]